Star Bazaar Front Desk/Cashier/Billing Interview Questions and Answers

Round duration - 90 minutes
Round difficulty - Medium

Round duration - 60 minutes
Round difficulty - Medium

This was the technical round, held around at 10 AM IST on Google Meet.
Firstly she greeted me and asked me to tell something about myself, to which I introduced myself, explaining my academic and some projects also.
After that we moved on to the Hackathon project, which was smart cart self-checkout system. I explained the project along with the code, wherever necessary.
Every word you say while explaining should be clear to you.I used Firebase and SQL while explaining my project, to which she asked some questions related to it, 
Then she moved to the DBMS part, types of joins,what is indexing, how to approach if you were to design a payment system.
At last she asked me some Data Structure questions, which were of medium complexity

Q1. 
Remove the Kth Node from the End of a Linked List
You are given a singly Linked List with 'N' nodes containing integer data and an integer 'K'. Your task is to delete the Kth node from the end of this Lin...read more
Ans. 
Remove the Kth node from the end of a singly linked list given the position 'K'.
• Traverse the list to find the length 'N' of the linked list.

• Calculate the position of the node to be removed from the beginning as 'N - K + 1'.

• Traverse the list again and remove the node at the calculated position.
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Q2. 
House Robber Problem Statement
Consider Mr. X, a professional robber who is planning to rob houses along a street. These houses are arranged in a circle, which means the first house is a neighbor to the l...read more
Ans. 
House Robber problem where adjacent houses have connected security system, find maximum money Mr. X can rob without triggering security.
• Use dynamic programming to keep track of maximum money robbed at each house.

• At each house, decide whether to rob the current house or skip it based on maximum money robbed so far.

• Handle the circular nature of houses by considering two cases: robbing the first house and not robbing the ...read more
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Round duration - 30 minutes
Round difficulty - Easy

The interviewer was very frank and cheerful. This was held at 2:30 PM IST on Google Meet.
He firstly greeted me and asked me how I was doing.
How was my previous round, any technical difficulties?
Then he asked me to introduce myself.
He started telling about his journey to Lowe's and his technical background.
Then he asked some HR related questions

Q1. Tell us something about yourself ?
Ans. .first of all thank you for giving me this opportunity.my name is vinod chouhan.i am basically from village gawakheda but currently staying in indore.i have done my graduation from sehore. My aim is to become a successful person this is all about me . About my family... I belong to a middle class family.there are 6 members in my family including me. My father is a farmer. And my mother is a housewife.
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Q2. How to sell product?
Ans. 
To sell a product, understand the customer's needs, highlight the benefits, and create a sense of urgency.
• Research the customer's needs and tailor your pitch accordingly

• Highlight the unique benefits and features of the product

• Create a sense of urgency by emphasizing limited availability or time-sensitive deals

• Address any objections or concerns the customer may have

• Close the sale by asking for the customer's commitment
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Q3. Want to do this job?
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Mostly on js basics. Event loop, hoisting, GraphQL

Q1. How to implement Cadence algorithm
Ans. 
Cadence algorithm is used for real-time stream processing of data.
• Cadence is a distributed system for managing workflows.

• It uses a programming model called the Cadence Workflow Model.

• The Cadence server is responsible for managing the state of workflows.

• The Cadence client is responsible for executing the workflow tasks.

• Cadence provides a lot of features like retries, timeouts, and error handling.
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Q2. How does vdom works in react
Ans. 
VDOM stands for Virtual Document Object Model, which is a lightweight copy of the actual DOM used by React for efficient rendering.
• VDOM is a tree-like structure that React uses to keep track of changes in the UI.

• When a component's state changes, React creates a new VDOM tree and compares it with the previous one to identify the changes.

• React then updates only the parts of the actual DOM that need to be changed, resulti...read more
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